Cutting tool insert



FIG. 1 is a top and left side perspective view of a cutting tool insert showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a side elevational view, taken from the right side;

FIG. 4 is a bottom plan view; and,

FIG. 5 is a cross sectional view taken along V--V in FIG. 2, thereof.

The undisclosed rear surface is the same in appearance as the sides shown. 

The ornamental design for a cutting tool insert, as shown and described. 